Sprinkler



FIG. 1 is a perspective view of a sprinkler;

FIG. 2 is a front elevation of the sprinkler;

FIG. 3 is a rear elevation of the sprinkler;

FIG. 4 is a left side elevation of the sprinkler;

FIG. 5 is a right side elevation of the sprinkler;

FIG. 6 is a top plan of the sprinkler; and,

FIG. 7 is a bottom plan of the sprinkler. 

The ornamental design for a sprinkler, as shown and described. 